Portable spray system



FIG. 1 is a perspective view of the portable spray system;

FIG. 2 is a front side view;

FIG. 3 is a back view;

FIG. 4 is a left side view;

FIG. 5 is a right side view;

FIG. 6 is a top view; and,

FIG. 7 is a bottom view thereof.

The broken lines showing the bottom of the portable spray system are for the purpose of illustration only and form no part of the claimed design. 

CLAIM The ornamental design for a portable spray system, as shown and described. 